Water Hardness Test (3-Pack) by Tier1
- 3 test strips included
- Aquarium tanks with high levels of hardness may affect the health of the fish
- Levels of hardness in the water supply are not regulated by the EPA
|Includes||1 Instruction sheet, 3 test strips|
- Dip one test strip into a water sample for 3 seconds.
- Remove the strip and immediately match to the color chart included. Complete color matching within 1 minute.